What are the
Eye Conditions that LASIK Helps to Correct?
By
Peter Rankin
There are four general eye conditions that are treatable with
the Lasik procedure. Some people mistakenly believe that Lasik
can be used to treat all forms of vision problems and all
degrees of short sightedness or far sightedness and this is not
true. Even the conditions which are treatable with Lasik must
fall within a certain range to qualify for the laser treatment.
Lasik was primarily designed to help those patients with mild
to moderate vision problems. Patients with severe vision
problems may be helped with Lasix but their eyesight may still
remain poor enough to require glasses. Although most patients
who undergo Lasik never need to wear glasses or contacts again,
this isn’t the case for everyone.
Lasik is mainly used to treat the eye conditions of myopia
which is also known as nearsightedness, hyperopia which is also
known as farsightedness, astigmatism, and presbyopia if you
choose to use the monovision method of correction.
Myopia
Myopia is also called nearsightedness, and is a condition where you can
see objects close up much clearer than objects at a distance. This is
generally caused by a eye that is longer than
normal and the light rays therefore focus in front of the retina rather than
on it.
Hyperopia
Hyperopia is called farsightedness and is the opposite of myopia.
Objects that are at a distance are clearer than objects that are up close
and this is because light rays focus behind the retina instead of on it.
Astigmatism
Astigmatism is a common condition which results in blurry vision which
results from an unusual shaped eyeball. Instead of being round, the eye is
more of an oval shape and this causes
the light rays to focus on two points instead of one. In addition, those
with the condition of astigmatism often have myopia or hyperopia as well.
When Lasik is used in a case like
this, both conditions can be treated at once.
Presbyopia
Presbyopia is a common eye condition that normally occurs with aging and
strikes people in between the age of forty to fifty. It is the result of the
eye lens losing its elasticity. This causes objects to become blurry the
closer they become. This condition is usually corrected with reading
glasses. Lasik cannot correct presbyopia in itself but Lasik can compensate
for the condition through a procedure know as monovision. One eye is
corrected to see far away and the other is corrected to see up close so the
brain is tricked into seeing clearly.
Lasik has helped many people with the above conditions to be able to give up
wearing glasses and contact lenses and restore clear vision. Only your eye
doctor will be able to determine if
Lasik is appropriate for your situation.
About The Author: Peter Rankin is a staff writer at
http://www.visiondigest.com and is an occasional contributor to several
other websites, including
http://www.fitness-digest.com.
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